[{"data":1,"prerenderedAt":524},["ShallowReactive",2],{"\u002Fblog\u002Ffirebase-cost-2026\u002F":3,"\u002Fblog\u002Ffirebase-cost-2026\u002F-related":491,"\u002Fblog\u002Ffirebase-cost-2026\u002F-resources":500},{"id":4,"title":5,"author":6,"body":10,"canonical":436,"category":437,"checker":436,"createdAt":438,"description":439,"disclosure":436,"extension":440,"faq":441,"heroActions":436,"howTo":436,"lastVerified":459,"location":460,"meta":461,"navigation":467,"ogImage":436,"path":468,"primaryKeyword":469,"readingTime":470,"related":436,"seo":471,"seoTitle":436,"sources":472,"stem":481,"tags":482,"takeaways":483,"updatedAt":438,"url":489,"__hash__":490},"blog\u002Fblog\u002Ffirebase-cost-2026.md","How Much Does Firebase Cost in 2026? Prices and 3 Examples",{"name":7,"social":8},"Simon Dziak",{"twitter":9},"@SzymonDziak",{"type":11,"value":12,"toc":424},"minimark",[13,21,44,49,52,173,176,180,183,186,190,193,278,281,294,297,301,304,307,322,325,329,332,352,361,365,368,382,395,399,407,411],[14,15,16,20],"p",{},[17,18,19],"strong",{},"Firebase is free up to fixed daily and monthly limits, and an app with 500 daily users can stay inside them."," The Spark plan is free and capped. The Blaze plan has no monthly fee: it includes the same free amounts, then charges per use. What turns a $3 bill into a $180 one is usually a multiplier, such as a listener that re-reads a whole collection, not the number of users.",[14,22,23,24,31,32,37,38,43],{},"Every price below is Google’s list price in USD for Iowa (us-central1), read on November 8, 2026 from the ",[25,26,30],"a",{"href":27,"rel":28},"https:\u002F\u002Ffirebase.google.com\u002Fpricing",[29],"nofollow","Firebase pricing page",", ",[25,33,36],{"href":34,"rel":35},"https:\u002F\u002Fcloud.google.com\u002Ffirestore\u002Fpricing",[29],"Firestore pricing"," and ",[25,39,42],{"href":40,"rel":41},"https:\u002F\u002Fcloud.google.com\u002Frun\u002Fpricing",[29],"Cloud Run pricing",". Other regions and multi-region locations cost more, and prices change, so check the pages before you rely on a number.",[45,46,48],"h2",{"id":47},"is-firebase-free","Is Firebase free?",[14,50,51],{},"Firebase is free on the Spark plan, within these limits. Some products, including Cloud Functions and Cloud Storage, aren’t available on Spark at all; they need Blaze.",[53,54,55,71],"table",{},[56,57,58],"thead",{},[59,60,61,65,68],"tr",{},[62,63,64],"th",{},"Product",[62,66,67],{},"Free on Spark",[62,69,70],{},"On Blaze, after the same free amount",[72,73,74,86,97,107,118,129,140,151,162],"tbody",{},[59,75,76,80,83],{},[77,78,79],"td",{},"Firestore reads",[77,81,82],{},"50,000 a day",[77,84,85],{},"$0.03 per 100,000",[59,87,88,91,94],{},[77,89,90],{},"Firestore writes",[77,92,93],{},"20,000 a day",[77,95,96],{},"$0.09 per 100,000",[59,98,99,102,104],{},[77,100,101],{},"Firestore deletes",[77,103,93],{},[77,105,106],{},"$0.01 per 100,000",[59,108,109,112,115],{},[77,110,111],{},"Firestore storage",[77,113,114],{},"1 GiB",[77,116,117],{},"about $0.15 per GiB a month (listed as $0.000205479 per GiB, charged by the hour, over 730 hours)",[59,119,120,123,126],{},[77,121,122],{},"Cloud Functions (2nd gen)",[77,124,125],{},"Not available",[77,127,128],{},"Cloud Run prices and free tier, below",[59,130,131,134,137],{},[77,132,133],{},"Hosting storage",[77,135,136],{},"10 GB",[77,138,139],{},"$0.026 per GB",[59,141,142,145,148],{},[77,143,144],{},"Hosting transfer",[77,146,147],{},"360 MB a day",[77,149,150],{},"$0.15 per GB",[59,152,153,156,159],{},[77,154,155],{},"Authentication",[77,157,158],{},"50,000 monthly active users",[77,160,161],{},"Google Cloud pricing above 50,000",[59,163,164,167,170],{},[77,165,166],{},"Realtime Database storage",[77,168,169],{},"1 GB",[77,171,172],{},"$5 per GB",[14,174,175],{},"Firestore free amounts reset daily, around midnight Pacific time, and each project gets one free database. Phone sign-in is billed per SMS on Blaze, at rates Google lists on a separate page.",[45,177,179],{"id":178},"what-does-firestore-cost","What does Firestore cost?",[14,181,182],{},"Firestore Standard edition charges per document read, written or deleted, plus stored data. In us-central1 that is $0.03 per 100,000 reads, $0.09 per 100,000 writes and $0.01 per 100,000 deletes. Storage is listed at $0.000205479 per GiB, charged by the hour, which works out to about $0.15 per GiB a month over 730 hours.",[14,184,185],{},"The unit price is tiny: one read costs $0.0000003. Cost comes from how many documents each screen reads. A query that returns 50 documents is 50 reads, and a listener re-reads documents each time they change.",[45,187,189],{"id":188},"what-do-3-example-apps-pay-for-firestore","What do 3 example apps pay for Firestore?",[14,191,192],{},"These bills use the prices above and stated assumptions, over a 30-day month. Your numbers will differ, so swap in your own.",[53,194,195,218],{},[56,196,197],{},[59,198,199,202,206,209,212,215],{},[62,200,201],{},"App",[62,203,205],{"align":204},"right","Daily users",[62,207,208],{"align":204},"Reads per user a day",[62,210,211],{"align":204},"Writes per user a day",[62,213,214],{"align":204},"Stored data",[62,216,217],{"align":204},"Firestore a month",[72,219,220,240,260],{},[59,221,222,225,228,231,234,237],{},[77,223,224],{},"Small",[77,226,227],{"align":204},"500",[77,229,230],{"align":204},"40",[77,232,233],{"align":204},"5",[77,235,236],{"align":204},"0.5 GiB",[77,238,239],{"align":204},"$0",[59,241,242,245,248,251,254,257],{},[77,243,244],{},"Growing",[77,246,247],{"align":204},"5,000",[77,249,250],{"align":204},"60",[77,252,253],{"align":204},"8",[77,255,256],{"align":204},"5 GiB",[77,258,259],{"align":204},"$3.39",[59,261,262,265,268,270,272,275],{},[77,263,264],{},"Busy",[77,266,267],{"align":204},"50,000",[77,269,250],{"align":204},[77,271,253],{"align":204},[77,273,274],{"align":204},"40 GiB",[77,276,277],{"align":204},"$42.66",[14,279,280],{},"How the growing app’s $3.39 adds up:",[282,283,284,288,291],"ol",{},[285,286,287],"li",{},"Reads: 5,000 × 60 = 300,000 a day. Minus 50,000 free is 250,000 a day, or 7.5 million a month. At $0.03 per 100,000 that’s $2.25.",[285,289,290],{},"Writes: 5,000 × 8 = 40,000 a day. Minus 20,000 free is 600,000 a month, or $0.54.",[285,292,293],{},"Storage: 5 GiB minus 1 GiB free is 4 GiB, about $0.60.",[14,295,296],{},"The small app stays inside the free amounts. The busy app pays $26.55 for reads, $10.26 for writes and $5.85 for storage.",[45,298,300],{"id":299},"what-do-cloud-functions-cost","What do Cloud Functions cost?",[14,302,303],{},"Cloud Functions (2nd gen) run on Cloud Run and bill at Cloud Run prices. With the default request-based billing in us-central1, that is $0.000024 per vCPU-second and $0.0000025 per GiB-second while an instance handles requests, plus $0.40 per million requests. Cloud Run gives each billing account 180,000 vCPU-seconds, 360,000 GiB-seconds and 2 million requests free every month. Firebase’s pricing page lists a slightly different Cloud Functions free tier (2 million invocations, 400,000 GB-seconds and 200,000 CPU-seconds a month), so the examples below use the Cloud Run amounts and your bill may differ by a few dollars.",[14,305,306],{},"Two examples, each with 1 vCPU, 512 MiB of memory, 200 ms per call and one request per instance at a time:",[308,309,310,316],"ul",{},[285,311,312,315],{},[17,313,314],{},"3 million calls a month:"," 600,000 vCPU-seconds, minus 180,000 free, is $10.08. Memory stays inside the free tier. The extra million requests add $0.40, so the total is $10.48.",[285,317,318,321],{},[17,319,320],{},"20 million calls a month:"," $91.68 for CPU, $4.10 for memory and $7.20 for requests, or $102.98.",[14,323,324],{},"Allowing more requests per instance (concurrency) cuts the CPU-seconds you pay for, because one instance serves several calls at once.",[45,326,328],{"id":327},"why-do-firebase-bills-jump","Why do Firebase bills jump?",[14,330,331],{},"Firebase bills jump when something multiplies usage without more users. These are the 3 patterns behind most sudden bills:",[308,333,334,340,346],{},[285,335,336,339],{},[17,337,338],{},"A listener that reads a whole collection."," A dashboard that listens to a 2,000-document collection, opened 10 times a day by 1,000 users, reads 20 million documents a day. That adds about $179.55 a month at $0.03 per 100,000, against $3.39 for the whole growing app above.",[285,341,342,345],{},[17,343,344],{},"Minimum instances kept warm."," A minimum instance bills while idle, at $0.0000025 per vCPU-second and per GiB-second in us-central1. One instance with 1 vCPU and 512 MiB kept warm for 30 days is $9.72, before any free tier. Ten of them is $97.20, whether or not anyone calls them.",[285,347,348,351],{},[17,349,350],{},"Triggers and retries that loop."," A function that writes to the document that triggers it, or retries on every error, can run thousands of times for one user action.",[14,353,354,355,360],{},"Google says an alerts-only budget sends alerts but ",[25,356,359],{"href":357,"rel":358},"https:\u002F\u002Fcloud.google.com\u002Fbilling\u002Fdocs\u002Fhow-to\u002Fbudgets",[29],"doesn’t cap usage or spending",", so alerts alone won’t stop any of these.",[45,362,364],{"id":363},"how-do-i-estimate-my-firebase-bill","How do I estimate my Firebase bill?",[14,366,367],{},"You can estimate a Firebase bill before launch with 4 numbers per user per day: documents read, documents written, function calls and data downloaded.",[282,369,370,373,376,379],{},[285,371,372],{},"Multiply each by your expected daily users and by 30.",[285,374,375],{},"Subtract the free amounts in the table above.",[285,377,378],{},"Price what’s left from Google’s pages, for the region you’ll use.",[285,380,381],{},"Add a line for each always-on minimum instance.",[14,383,384,385,389,390,394],{},"After launch, measure instead of estimating: turn on Cloud Billing export to BigQuery for spend by service. The ",[25,386,388],{"href":387},"\u002Fblog\u002Fhow-to-cut-your-firebase-bill-2026\u002F","line-by-line Firebase cost audit guide"," walks through that, and the ",[25,391,393],{"href":392},"\u002Fblog\u002Ffirebase-cloud-functions-min-instances-cost-2026\u002F","minimum instances cost guide"," covers warm instances in detail.",[45,396,398],{"id":397},"what-isnt-in-these-numbers","What isn’t in these numbers",[14,400,401,402,406],{},"These figures leave out a few things on purpose. They don’t include prices outside us-central1, committed-use discounts, Cloud Storage on the newer ",[403,404,405],"code",{},"firebasestorage.app"," buckets past their free amounts, Identity Platform pricing above 50,000 users, SMS rates, or AI usage such as Vertex AI. Google lists each of those on its own pricing page.",[45,408,410],{"id":409},"get-your-actual-bill-audited","Get your actual bill audited",[14,412,413,414,418,419,423],{},"The ",[25,415,417],{"href":416},"\u002Ffixed-price\u002Ffirebase-cost-audit\u002F","Firebase Cost-Cut Audit"," is a fixed-price review of a Firebase or Google Cloud bill, run by Simon Dziak and delivered in 5 business days after read-only access is granted. It prices every Cloud Run service and Cloud Function from measured usage and ranks the savings by dollars a month and risk. You get the report, a CSV of every service and the exact commands for each change. Not included: making the changes (a fixed quote after the audit), code refactors or migrating off Firebase, and negotiated discounts or credits. For the security side of the same project, see the ",[25,420,422],{"href":421},"\u002Fblog\u002Ffirebase-security-guide-2026\u002F","Firebase Security Rules guide",".",{"title":425,"searchDepth":426,"depth":426,"links":427},"",2,[428,429,430,431,432,433,434,435],{"id":47,"depth":426,"text":48},{"id":178,"depth":426,"text":179},{"id":188,"depth":426,"text":189},{"id":299,"depth":426,"text":300},{"id":327,"depth":426,"text":328},{"id":363,"depth":426,"text":364},{"id":397,"depth":426,"text":398},{"id":409,"depth":426,"text":410},null,"AI & Technology","2026-11-08T09:00:00.000Z","What Firebase costs in 2026: Spark and Blaze free limits, Firestore, Cloud Functions, Hosting and Auth prices from Google, and worked bills for 3 app sizes.","md",[442,444,447,450,453,456],{"question":48,"answer":443},"Yes, up to fixed limits. The Spark plan is free and capped: for example 50,000 Firestore reads and 20,000 writes a day, 1 GiB of Firestore storage, 10 GB of Hosting storage and 50,000 monthly active users for Authentication. Cloud Functions and Cloud Storage need the Blaze plan.",{"question":445,"answer":446},"How much does the Firebase Blaze plan cost?","Blaze has no monthly fee. It includes the same free amounts as Spark, then charges per use, such as $0.03 per 100,000 Firestore reads in us-central1. In this guide’s examples, an app with 500 daily users pays $0 and one with 5,000 pays $3.39 a month for Firestore.",{"question":448,"answer":449},"How much does Firestore cost per read?","In us-central1, Firestore Standard edition lists $0.03 per 100,000 document reads after 50,000 free reads a day, which is $0.0000003 per read. Multi-region locations such as nam5 cost more, so check the location you picked.",{"question":451,"answer":452},"Why did my Firebase bill suddenly go up?","Usually because something multiplies: a listener that re-reads a whole collection, a minimum instance kept warm all month, or a trigger that fires itself again. User growth on its own rarely jumps a bill overnight.",{"question":454,"answer":455},"Can I cap my Firebase spending?","Not with an alerts-only budget. Google says an alerts-only budget sends alerts but does not stop usage or spending. Google also documents spend cap budgets for services that support them, so check whether yours do before relying on one.",{"question":457,"answer":458},"How do I estimate my Firebase bill before launch?","Estimate reads, writes and function calls per user per day, multiply by daily users and 30, subtract the free amounts, and price the rest from Google’s pricing pages. The worked examples in this guide show the arithmetic.","2026-11-08","Miami, FL",{"readingTimeStats":462},{"text":463,"minutes":464,"time":465,"words":466},"6 min read",5.36,321600,1072,true,"\u002Fblog\u002Ffirebase-cost-2026","firebase cost","8 min",{"title":5,"description":439},[473,475,477,479],{"title":474,"url":27},"Firebase, Pricing",{"title":476,"url":34},"Google Cloud, Firestore pricing",{"title":478,"url":40},"Google Cloud, Cloud Run pricing",{"title":480,"url":357},"Google Cloud Billing, Create, edit, or delete budgets and budget alerts","blog\u002Ffirebase-cost-2026","firebase cost, firebase pricing, firestore pricing, cloud functions pricing, firebase blaze plan, firebase spark plan",[484,485,486,487,488],"Firebase is free on the Spark plan up to fixed limits, and the Blaze plan includes the same free amounts before it charges anything. An app with 500 daily users stays inside them in the example below.","In us-central1, Firestore Standard edition lists reads at $0.03, writes at $0.09 and deletes at $0.01 per 100,000 documents, after 50,000 free reads and 20,000 free writes and deletes a day.","An app with 5,000 daily users reading 60 documents each pays about $3.39 a month for Firestore at those prices; one listener bug can add $179.55.","Cloud Functions (2nd gen) bill at Cloud Run prices: $0.000024 per vCPU-second while handling requests, plus memory and $0.40 per million requests. Firebase and Cloud Run list slightly different free tiers, so the examples state which one they use.","Bills jump from read multipliers, always-on minimum instances and retry loops, not from user counts on their own.","https:\u002F\u002Fapp369.com\u002Fblog\u002Ffirebase-cost-2026\u002F","kGQyR7sB541nHE_SzuX1_K-EGzfltKiJ3gNuafEMzZo",[492,496],{"path":493,"title":494,"description":495,"category":437},"\u002Fblog\u002Fhow-to-build-an-mcp-server-2026","How to Build an MCP Server in 2026: Step by Step with Code","Build an MCP server over your existing REST API with the TypeScript SDK v2: tools, Streamable HTTP, Inspector tests and OAuth, on the 2026-07-28 spec.",{"path":497,"title":498,"description":499,"category":437},"\u002Fblog\u002Fai-api-errors-openai-claude-gemini-mcp-fixes-2026","AI API Errors: 7 OpenAI, Claude, Gemini and MCP Fixes (2026)","AI feature broken by a 401, 429 or 529, or an MCP connector that won't connect? 7 OpenAI, Anthropic, Gemini and MCP errors, what each means and how to fix it.",[501,505,509,513,517,521],{"keyword":502,"url":503,"title":502,"relevance":504},"Firebase Cloud Functions Min Instances: What They Cost (2026)","https:\u002F\u002Fapp369.com\u002Fblog\u002Ffirebase-cloud-functions-min-instances-cost-2026\u002F",16,{"keyword":506,"url":507,"title":506,"relevance":508},"How to Cut Your Firebase Bill: A Line-by-Line Cost Audit (2026)","https:\u002F\u002Fapp369.com\u002Fblog\u002Fhow-to-cut-your-firebase-bill-2026\u002F",15,{"keyword":510,"url":511,"title":510,"relevance":512},"Firestore and Cloud Functions Errors: 11 Fixes (2026)","https:\u002F\u002Fapp369.com\u002Fblog\u002Ffirestore-cloud-functions-errors-fixes-2026\u002F",11,{"keyword":514,"url":515,"title":514,"relevance":516},"App Store and Google Play Deadlines for 2026 and 2027","https:\u002F\u002Fapp369.com\u002Fblog\u002Fapp-store-google-play-deadlines-2026-2027\u002F",10,{"keyword":518,"url":519,"title":518,"relevance":520},"Firebase ML Model Hosting Shutting Down: How to Migrate","https:\u002F\u002Fapp369.com\u002Fblog\u002Ffirebase-ml-model-hosting-shutting-down-migrate-2027\u002F",8,{"keyword":522,"url":523,"title":522,"relevance":520},"Deep Linking in 2026: What Replaced Firebase Dynamic Links and How to Set It Up","https:\u002F\u002Fapp369.com\u002Fblog\u002Ffirebase-dynamic-links-shutdown-deep-linking-2026\u002F",1794157275143]